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Internal Gravity Waves (co-organized)
Convener: Ulrich Achatz  | Co-Conveners: Erich Becker , Riwal Plougonven , Bruno Ribstein , Chantal Staquet 
 / Wed, 26 Apr, 10:30–12:00  / Room 0.49
 / Wed, 26 Apr, 13:30–17:00  / Room G2
 / Attendance Wed, 26 Apr, 17:30–19:00  / Hall X4

In many respects internal gravity waves (IGWs) still pose major questions both to the atmospheric sciences, to ocean sciences and to stellar physics. Important issues are IGW radiation from their various relevant sources, IGW reflection at boundaries, their propagation through and interaction with a larger-scale flow, wave-induced mean flow, wave-wave interactions in general, wave breaking and its implications for mixing, and the parameterization of these processes in models not explicitly resolving IGWs. Also the observational record, both on a global scale and with respect to local small-scale processes, is not yet sufficiently able to yield appropriate constraints. The session is intended to bring together experts from all fields of geophysical and astrophysical fluid dynamics working on related problems. A special focus this year will be results from the DFG research unit MS-GWaves ( However, presentations on theoretical, modeling, experimental, and observational work with regard to all aspects of IGWs are most welcome.